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56366369 = 192966651
BaseRepresentation
bin1101011100000…
…1010100100001
310221001201010022
43113001110201
5103412210434
65332043225
71253051303
oct327012441
9127051108
1056366369
11298a9984
1216a63515
13b8a70a7
1476b3973
154e3622e
hex35c1521

56366369 has 4 divisors (see below), whose sum is σ = 59333040. Its totient is φ = 53399700.

The previous prime is 56366357. The next prime is 56366371. The reversal of 56366369 is 96366365.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 96366365 = 519273273.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-56366369 is a prime.

It is a super-2 number, since 2×563663692 = 6354335108488322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56366389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1483307 + ... + 1483344.

It is an arithmetic number, because the mean of its divisors is an integer number (14833260).

Almost surely, 256366369 is an apocalyptic number.

It is an amenable number.

56366369 is a deficient number, since it is larger than the sum of its proper divisors (2966671).

56366369 is a wasteful number, since it uses less digits than its factorization.

56366369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2966670.

The product of its digits is 524880, while the sum is 44.

The square root of 56366369 is about 7507.7539251097. The cubic root of 56366369 is about 383.4187554223.

The spelling of 56366369 in words is "fifty-six million, three hundred sixty-six thousand, three hundred sixty-nine".

Divisors: 1 19 2966651 56366369